Walter HWK 509A-1 historical storable-liquid rocket-engine variant documented by the U.S. Air Force museum; this packet creates the exact propulsion identity only and leaves Me 163B installations, actors, and HWK 509A-2 sibling modeling separate.
Walter HWK 509A-1 historical storable-liquid rocket-engine variant documented by the U.S. Air Force museum; this packet creates the exact propulsion identity only and leaves Me 163B installations, actors, and HWK 509A-2 sibling modeling separate.